基于荧光光谱的酱香型白酒的年份鉴定

Rizeng Tao, Huizi Liu, Chunfeng Guo, Jun Zou, Qifei Zhu, Yifan Yang, Bobo Yang, Lihua Chen
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引用次数: 0

摘要

酱香型白酒的年份代表着其收藏价值和档次,因此年份鉴定对于收藏者和鉴赏者来说至关重要。本研究基于荧光光谱法,提出了酱香型白酒年份鉴定模型。利用荧光分光光度计测量不同年份酱香型白酒的荧光光谱,得到光谱的最佳发射峰。通过分析这些最佳发射峰,确定光谱强度随酱香型白酒年份的增加而增加。根据光谱强度建立了定量识别酱香型白酒年份的预测模型,其判定系数 (R2) 为 0.经验证,该预测模型的平均误差为 0.06 年。此外,还设计了一个在线检测平台,以实现酱香型白酒年份鉴定的实时、快速和定量。该模型和平台有助于酱香型白酒的评价。
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Vintage identification of sauce-flavor liquor based on fluorescence spectroscopy
The vintage of sauce-flavor liquor represents its collection value and grade, so its identification is essential for collectors and connoisseurs. In this research, a vintage identification model for sauce-flavor liquors was proposed based on the fluorescence spectroscopy method. A fluorescence spectrophotometer was used to measure the fluorescence spectrum of sauce-flavor liquors of different years, and the optimum emission peaks of the spectrum were obtained. By analyzing these optimum emission peaks, it was determined that intensity of the spectrum increased with the vintage of sauce-flavor liquor. A prediction model was established to identify quantitatively the vintage of sauce-flavor liquor according to spectrum intensity, and its coefficient of determination (R2) was 0. 995. The prediction model was verified with an average error of 0.06 years. Moreover, an online testing platform was designed to realize the real-time, rapid, and quantitative vintage identification of sauce-flavor liquors. The model and platform should be helpful for evaluating sauce-flavor liquor.
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